| /******************************************************************************* |
| * Copyright (c) 2008, 2011 Oracle. All rights reserved. |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v1.0, which accompanies this distribution |
| * and is available at http://www.eclipse.org/legal/epl-v10.html. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.jpa.core.context; |
| |
| /** |
| * Read-only database unique constraint |
| * <p> |
| * Provisional API: This interface is part of an interim API that is still |
| * under development and expected to change significantly before reaching |
| * stability. It is available at this early stage to solicit feedback from |
| * pioneering adopters on the understanding that any code that uses this API |
| * will almost certainly be broken (repeatedly) as the API evolves. |
| */ |
| public interface ReadOnlyUniqueConstraint |
| extends JpaContextNode |
| { |
| /** |
| * Return the unique constraint's column names. |
| */ |
| Iterable<String> getColumnNames(); |
| String COLUMN_NAMES_LIST = "columnNames"; //$NON-NLS-1$ |
| |
| /** |
| * Return the number of column names in the unique constraint. |
| */ |
| int getColumnNamesSize(); |
| |
| /** |
| * Return the column name at the specified index. |
| */ |
| String getColumnName(int index); |
| |
| |
| // ********** owner ********** |
| |
| /** |
| * All containers must implement this interface. |
| */ |
| interface Owner { |
| Iterable<String> getCandidateUniqueConstraintColumnNames(); |
| } |
| } |